Alaska earthquakes

M1.6 earthquake 57 km SW of Unalaska, Alaska

A magnitude 1.6 earthquake struck 57 km SW of Unalaska, Alaska on Mon, Apr 30, 2018, 7:01 AM AKDT (15:01 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M4.4 89 km E of Nikolski, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-04-30 15:01:14 UTC
Depth
13.7 km (8.5 mi), shallow
Epicenter
53.559° N, 167.222° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
16

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 79 in the 60 days after this one and 36 in the 30 days before it.

After

  1. 2.169 km SE of Unalaska, Alaska · 3076 days ago · 45 km deep · 92 km away
  2. 2.022 km W of Akutan, Alaska · 3075 days ago · 104 km deep · 95 km away
  3. 1.786 km SW of Unalaska, Alaska · 3073 days ago · 43 km deep · 35 km away
  4. 1.516 km WSW of Akutan, Alaska · 3073 days ago · 14 km deep · 99 km away
  5. 1.924 km SSE of Unalaska, Alaska · 3071 days ago · 76 km deep · 53 km away
  6. 2.5107 km E of Nikolski, Alaska · 3071 days ago · 35 km deep · 69 km away
  7. 2.184 km E of Nikolski, Alaska · 3071 days ago · 62 km deep · 84 km away
  8. 1.876 km SSE of Unalaska, Alaska · 3070 days ago · 26 km deep · 90 km away
  9. 1.73 km WNW of Dutch Harbor, Alaska · 3070 days ago · 12 km deep · 56 km away
  10. 1.884 km SW of Unalaska, Alaska · 3068 days ago · 37 km deep · 32 km away
  11. 3.388 km S of Unalaska, Alaska · 3068 days ago · 37 km deep · 62 km away
  12. 1.675 km SW of Unalaska, Alaska · 3067 days ago · 13 km deep · 20 km away
  13. 1.839 km SSW of Unalaska, Alaska · 3066 days ago · 75 km deep · 34 km away
  14. 1.999 km E of Nikolski, Alaska · 3065 days ago · 47 km deep · 70 km away
  15. 2.068 km SE of Unalaska, Alaska · 3065 days ago · 23 km deep · 96 km away
  16. 1.662 km SE of Unalaska, Alaska · 3065 days ago · 49 km deep · 95 km away
  17. 1.860 km SE of Unalaska, Alaska · 3064 days ago · 39 km deep · 84 km away
  18. 2.079 km SSW of Unalaska, Alaska · 3064 days ago · 26 km deep · 49 km away
  19. 1.526 km SE of Unalaska, Alaska · 3064 days ago · 69 km deep · 70 km away
  20. 2.042 km SE of Unalaska, Alaska · 3061 days ago · 35 km deep · 72 km away
  21. 4.489 km E of Nikolski, Alaska · 3059 days ago · 47 km deep · 71 km away · felt by 1
  22. 2.897 km E of Nikolski, Alaska · 3059 days ago · 22 km deep · 76 km away
  23. 4.495 km E of Nikolski, Alaska · 3058 days ago · 47 km deep · 69 km away
  24. 2.067 km SW of Unalaska, Alaska · 3056 days ago · 8 km deep · 11 km away
  25. 1.755 km SE of Unalaska, Alaska · 3052 days ago · 51 km deep · 89 km away
  26. 1.735 km SSW of Unalaska, Alaska · 3052 days ago · 81 km deep · 28 km away
  27. 2.270 km S of Unalaska, Alaska · 3052 days ago · 42 km deep · 48 km away
  28. 3.393 km SSW of Unalaska, Alaska · 3051 days ago · 19 km deep · 57 km away
  29. 1.858 km SW of Unalaska, Alaska · 3046 days ago · 16 km deep · 5 km away
  30. 3.953 km SSE of Unalaska, Alaska · 3046 days ago · 41 km deep · 60 km away
  31. 3.9119 km E of Nikolski, Alaska · 3045 days ago · 47 km deep · 89 km away
  32. 1.938 km ESE of Unalaska, Alaska · 3044 days ago · 67 km deep · 86 km away
  33. 3.634 km SSE of Unalaska, Alaska · 3044 days ago · 78 km deep · 59 km away
  34. 3.570 km ENE of Nikolski, Alaska · 3043 days ago · 70 km deep · 67 km away
  35. 2.880 km S of Unalaska, Alaska · 3042 days ago · 41 km deep · 55 km away
  36. 1.918 km SW of Unalaska, Alaska · 3042 days ago · 10 km deep · 39 km away
  37. 2.065 km SW of Unalaska, Alaska · 3042 days ago · 98 km deep · 8 km away
  38. 1.954 km SE of Unalaska, Alaska · 3039 days ago · 26 km deep · 80 km away
  39. 1.656 km SSE of Unalaska, Alaska · 3039 days ago · 39 km deep · 78 km away
  40. 1.770 km SW of Unalaska, Alaska · 3038 days ago · 22 km deep · 14 km away
  41. 1.850 km S of Akutan, Alaska · 3038 days ago · 55 km deep · 96 km away
  42. 3.071 km S of Unalaska, Alaska · 3036 days ago · 49 km deep · 48 km away
  43. 2.692 km S of Unalaska, Alaska · 3036 days ago · 10 km deep · 71 km away
  44. 1.974 km E of Nikolski, Alaska · 3035 days ago · 35 km deep · 78 km away
  45. 3.570 km S of Unalaska, Alaska · 3035 days ago · 47 km deep · 68 km away
  46. 2.075 km S of Unalaska, Alaska · 3034 days ago · 19 km deep · 52 km away
  47. 1.853 km SW of Unalaska, Alaska · 3033 days ago · 14 km deep · 4 km away
  48. 1.671 km SE of Unalaska, Alaska · 3032 days ago · 10 km deep · 96 km away
  49. 2.1113 km SSW of Unalaska, Alaska · 3032 days ago · 10 km deep · 73 km away
  50. 1.953 km SW of Unalaska, Alaska · 3032 days ago · 18 km deep · 4 km away
  51. 1.652 km SW of Unalaska, Alaska · 3032 days ago · 15 km deep · 9 km away
  52. 1.555 km SW of Unalaska, Alaska · 3031 days ago · 14 km deep · 1 km away
  53. 1.655 km S of Akutan, Alaska · 3031 days ago · 52 km deep · 97 km away
  54. 2.46 km WSW of Unalaska, Alaska · 3030 days ago · 103 km deep · 51 km away
  55. 2.161 km SW of Unalaska, Alaska · 3028 days ago · 13 km deep · 6 km away
  56. 1.738 km SW of Unalaska, Alaska · 3028 days ago · 15 km deep · 19 km away
  57. 2.535 km NNE of Dutch Harbor, Alaska · 3028 days ago · 188 km deep · 88 km away
  58. 2.030 km E of Unalaska, Alaska · 3028 days ago · 92 km deep · 84 km away
  59. 2.791 km SSW of Unalaska, Alaska · 3027 days ago · 29 km deep · 50 km away
  60. 2.562 km SE of Unalaska, Alaska · 3027 days ago · 35 km deep · 88 km away

The first 60 of 79.

Before

  1. 2.391 km SSW of Unalaska, Alaska · 3078 days ago · 49 km deep · 43 km away
  2. 1.891 km SSW of Unalaska, Alaska · 3078 days ago · 26 km deep · 56 km away
  3. 2.392 km SSW of Unalaska, Alaska · 3078 days ago · 21 km deep · 55 km away
  4. 3.998 km SSW of Unalaska, Alaska · 3078 days ago · 45 km deep · 60 km away
  5. 1.895 km SW of Unalaska, Alaska · 3079 days ago · 40 km deep · 43 km away
  6. 3.487 km SSW of Unalaska, Alaska · 3079 days ago · 80 km deep · 50 km away
  7. 2.350 km SSW of Unalaska, Alaska · 3082 days ago · 67 km deep · 22 km away
  8. 2.767 km SW of Unalaska, Alaska · 3083 days ago · 87 km deep · 19 km away
  9. 1.969 km SE of Unalaska, Alaska · 3085 days ago · 18 km deep · 97 km away
  10. 1.8Fox Islands, Aleutian Islands, Alaska · 3085 days ago · 34 km deep · 49 km away
  11. 2.172 km WSW of Unalaska, Alaska · 3086 days ago · 8 km deep · 18 km away
  12. 1.984 km SSW of Unalaska, Alaska · 3086 days ago · 40 km deep · 47 km away
  13. 3.352 km S of Unalaska, Alaska · 3087 days ago · 38 km deep · 47 km away
  14. 2.652 km SSE of Unalaska, Alaska · 3090 days ago · 63 km deep · 70 km away
  15. 1.770 km SW of Unalaska, Alaska · 3092 days ago · 20 km deep · 13 km away
  16. 1.958 km SW of Unalaska, Alaska · 3092 days ago · 78 km deep · 12 km away
  17. 1.944 km SE of Unalaska, Alaska · 3092 days ago · 26 km deep · 77 km away
  18. 2.157 km SSE of Unalaska, Alaska · 3093 days ago · 26 km deep · 66 km away
  19. 1.745 km ESE of Unalaska, Alaska · 3093 days ago · 33 km deep · 84 km away
  20. 2.252 km ESE of Nikolski, Alaska · 3094 days ago · 38 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0185ipfe6c (also filed as ak19304243). Read Thu, Oct 1, 2026, 4:38 PM UTC.